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Our group of track enthusiasts from the US Midwest made our first foray north of the border last year to Mosport. We had an absolute blast...I think it's now my favorite of all time. We've planned a return trip this summer but this time at Tremblant....we've heard great things about it as well. After registering for the July 6-8 event with NERPCA, we found out about the noise restrictions at the track. Two of our group have GT3 Cups, which, without extreme modifications, we don't believe could approach what I understand is the limit of 92 db.
The reason for my post is to seek to understand how those of you who call Tremblant your home track cope with this limit. Is the limit strictly enforced? What are your strategies for dealing with this? Does anyone drive Cup Cars at Tremblant without exotic plumbing hanging off the back? Should we not bring the Cups? Frankly, I'm not even sure my bone stock GT4 would pass muster.
We'd appreciate your advice and counsel on how to best to enjoy your facility.
Unfortunately, the noise restriction of 92db is strictly enforced. 2 black flags for noise on any your are done for the day. Another Black flag the next day and your done for day 2. There are a few Cup cars that run however, I'm not sure exactly how they are reducing their noise but know they have found a way that keeps them under 92db. One of my friends has aftermarket exhaust on their 991 GT3 and 991GT3RS and at the track will manually close their valves. Another friend with at GT4 clubsport build put in an exhaust with electronically controlled exhaust valves. Yes is a real pain...Mosport does not have this issue which we love.
Unfortunately the sound ***** at LCMT are pretty ruthless, much in part due to the constant court battles between some local residents
and the track owners.
Worst time for excessive DB's is in the morning when the cloud coverage is low and he usually hangs out on the outside of corner 6 ( driver's left ) when most people floor it after coming out of turn five in second or third gear.
Hopefully Cyril who runs a 2012 Cup car will chime in as he had some sort of atrocious looking ( Tremblant legal ) exaust system installed when he purchased the car.
Downpipes and/ or pipes turned towards the right ( inside of track ) are helpful in a lot of cases ...
Thanks for posting Cyril. That actually looks pretty attractive relative to some other approaches I've seen, such as this...
Where did you source it? So, it passes the 92 db threshold? We're coming for a DE.
Done locally by Lachute Performance. Very nice guys and very good for custom exhausts.
It is just a pair of Burns, 2 elbows and 2 brackets.
I do not have this car with me but I just found few pics where you can see more details and the brackets.
PM me your email, I will send you the pics.
The car is still loud but it passes the 92 db at Tremblant (weekend events with Club Tremblant and few DE)
Another option is to source a pair of Euro Cup Mufflers.
PM sent Cyril. Thanks. Found a line on a reasonably priced "Nurburgring package" exhaust from Porsche Motorsports. Is that what you are referring to as Euro Cup Mufflers? Suggestion was that that package combined with turn down pipes should suffice. Not sure I understand the significance of your parenthetical addition "weekend events with Club Tremblant and few DE"? Are the noise police less aggressive then? We're going to be there with presumably a large DE group.
The shop that has my car is experienced at Laguna Seca and says it's doubtful the package and turn downs will pass muster. But, it appears your car passes without a lot of extra work.
Ian, that's my worst nightmare... taking my GT4 instead of the cup and still busting the noise limit. I know... I realize this is a first world problem!
PM sent Cyril. Thanks. Found a line on a reasonably priced "Nurburgring package" exhaust from Porsche Motorsports. Is that what you are referring to as Euro Cup Mufflers? Suggestion was that that package combined with turn down pipes should suffice. Not sure I understand the significance of your parenthetical addition "weekend events with Club Tremblant and few DE"? Are the noise police less aggressive then? We're going to be there with presumably a large DE group.
The shop that has my car is experienced at Laguna Seca and says it's doubtful the package and turn downs will pass muster. But, it appears your car passes without a lot of extra work.
Ian, that's my worst nightmare... taking my GT4 instead of the cup and still busting the noise limit. I know... I realize this is a first world problem!
Greg, you have an email with the pics.
The Cup is at the shop (GT Racing) but I should have the mufflers in my garage here in Montreal.
I race this car but I had the opportunity to test it during a Club Tremblant weekend and a DE the next day where the limits are at 92 Db.
The previous owner, who had this muffler system made by Lachute, is a Club Tremblant member and a Rennsport instructor. He also used this car at multiple occasion under the 92 db limit.
At Tremblant the 92 db limit is strictly enforced all the time, except during a race week-end.
IMHO, you should bring your GT4. You will have more fun with your friends during a DE event.
Expect a lot of traffic with a sub 1.40 car and your 991 should be quite faster than my 997.2.
IMHO, you should bring your GT4. You will have more fun with your friends during a DE event.
Expect a lot of traffic with a sub 1.40 car and your 991 should be quite faster than my 997.2.
Our events have many GT4s on track and most pass the sound test. Those that don't, are very aggressive on the throttle to the red line. Sound check is at the tower on the front straight (wired directly to city hall) and as mentioned in T6. Try and see, if there is a problem with the GT4 a short shift here and there will still allow you to enjoy the track.
03-18-2018, 09:43 PM
Cup Cars at Tremblant
